US ZIP Code
20689

Sunderland, MD

Calvert County  ·  Maryland

● Active
👥 2,046 Population ↓ 2% since 2019
💰 $174,583 Median HH Income
▲ 129% above avg ↑ 13% since 2019
🎂 47.1 Median Age ↑ 2% since 2019
🏠 $468,400 Median Home Value
▲ 68% above avg ↑ 19% since 2019
🎓 34.7% College Grads
▼ 11% below avg
📊 1.8% Unemployment
▼ 62% below avg ↑ 86% since 2019
ZIP Code Details
ZIP Code20689
CitySunderland
StateMaryland (MD)
CountyCalvert County
Area Code227/240
Elevation137 ft
Latitude38.670275
Longitude-76.585916
TimezoneNew York (DST)
FIPS24009
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 56.1% (1,147) Female 43.9% (899) ♀

Race & Ethnicity

White: 73.9%Black: 21.5%Asian: 1.6%Other: 3.1%Race
White73.9%
Black21.5%
Asian1.6%
Other3.1%

Age Breakdown

Under 5
5%
5–17
18%
18–24
9%
25–44
18%
45–64
40%
65+
5%

Key Indicators

Median Age47.1 yrs ↑ 2% since 2019
Avg Household Size3.22
Below Poverty2.7% ▼ 73% below avg
College Grads34.7% ▼ 11% below avg
Unemployment1.8% ▼ 62% below avg
HS Graduate546 (38.9%)
Some College79 (5.6%)
Associates291 (20.8%)
Bachelors58 (4.1%)
Graduate Degree428 (30.5%)

Education

HS Grad: 38.9%Some College: 5.6%Associates: 20.8%Bachelors: 4.1%Graduate: 30.5%Edu
HS Grad38.9%
Some College5.6%
Associates20.8%
Bachelors4.1%
Graduate30.5%
Housing & Income

Housing Tenure

Owner: 88.5%Renter: 11.5%Tenure
Owner88.5%
Renter11.5%

Home Value Distribution

$50k–100k
14%
$150k–200k
2%
$200k–300k
13%
$300k–500k
30%
Over $500k
41%

Financials

Median HH Income$174,583 ▲ 129% above avg ↑ 13% since 2019
Median Home Value$468,400 ▲ 68% above avg ↑ 19% since 2019
Home/Income Ratio2.7x (nat avg ~3.5x)
Median Rent$1,805/mo
Total Units635
Avg HH Size3.22

Income Distribution

Under $25k
8%
$50k–75k
8%
$75k–100k
6%
$100k–150k
20%
$150k–200k
14%
Over $200k
45%
Employment & Commute

How People Get to Work

Drove Alone
88%
Work From Home
12%

Commute Time

Under 15 min
20%
15–30 min
16%
30–45 min
15%
Over 45 min
49%
Housing Stock

Year Built

1960s–1970s
26%
1980s–1990s
11%
2000+
63%

Summary

Total Units635
Owner Occupied88.5%
Renter Occupied11.5%
Avg HH Size3.22
Frequently Asked Questions
ZIP code 20689 is in Sunderland, MD, in Calvert County.
ZIP code 20689 is located in Maryland (MD).
ZIP code 20689 is in Calvert County, MD.
ZIP 20689 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20689 is 2,046 people (ACS 2023).
The median household income in ZIP code 20689 is $174,583 (ACS 2023).
The median home value in ZIP 20689 is $468,400 (ACS 2023).
About ZIP Code 20689

ZIP code 20689 is located in Sunderland, Maryland, within Calvert County. With a population of 2,046, this is a sparsely populated ZIP code with a mature community — the median age is 47.1 years. Economically, 20689 is a affluent ZIP code: the median household income of $174,583 is more than double the national average.

Real estate in ZIP code 20689 represents a premium housing market. The median home value of $468,400 is significantly above the national average. Renters can expect to pay around $1,805 per month in median rent. Homeownership is strong here — 88.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 19% since 2019.

The population of 20689 is primarily White (73.90%). Residents are moderately educated — 34.7% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 2.7%. Household income has grown by 13% since 2019.

The unemployment rate in 20689 stands at 1.8%, which is well below the national average. About 11% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 83%.

Overall, ZIP code 20689 in Sunderland, MD is characterized as affluent, moderately educated, a mature community, and predominantly owner-occupied. With 2,046 residents, a median household income of $174,583, and a median home value of $468,400, it offers a clear picture of life in this part of Maryland.